Samuel blocks a goal-bound shot from Ibrahimovic, who was served by Dani Alves. The Brazilian appeared to use his hand.

36'

Samuel blocks and clears a Dani Alves cross from the right.

35'

A Barça counter-attack is expertly neutralised by Wesley Sneijder, who makes a well-timed tackle on Ibrahimovic.

35'

Julio Cesar is booked for time-wasting.

33'

Barcelona close to an opener as Messi sends a curling shot on target from 20 yards. Massive tipped save from Julio Cesar.

31'

Milito helps out in defence and makes a scything clearance from Dani Alves' cross.

28'

Drama at the Camp Nou as Thiago Motta is shown a straight red card for shoving Busquets in the face. We're down to ten men.

27'

Chivu makes an aerial clearance from Pedro's whipped left-wing cross.

27'

Inter launch a counter-attack that is ended by Pedro, who gets a yellow-card for his foul on Samuel Eto'o.

25'

Sneijder combines quickly with Milito and sweeps wide to Eto'o, who is tackled by Gabriel Milito. Pedro gets back to prod the ball out for a corner.

23'

Another Barça attack. Dani Alves swings in a cross for Pedro, who hits his first-time shot wide of JC's left-hand post.

22'

More pressure from the hosts as Ibrahimovic serves Xavi. The Spain midfielder is promptly intercepted in the box.

21'

Inter attack back and Milito gets a cross in from the right but there's no white shirt in the box and Valdes makes an easy save.

21'

Messi goes on one of his darting runs and plays into the box for the onrushing Pedro but Cambiasso gets a foot to the ball and it rolls back to Julio Cesar.

20'

Xavi earns some space in the Inter third with a nice piece of skill and looks for Ibra in the box but Walter Samuel makes another vital interception.

18'

Milito tries to get away from Piqué down the left but he commits a foul on the Barça defender.

17'

Milito is flagged for offside as he runs on to a long-range through ball.

16'

De Bleeckere blows for a foul by Piqué on Diego Milito.

16'

Chivu's free kick is saved by Valdes.

15'

Lucio makes a headed clearance from Pedro's left-wing cross.

14'

Samuel blocks a Messi shot and moments later intercepts a pass to snuff out a Blaugrana attack.

12'

Maicon collides with the advertising boards after a shove by Messi. No yellow card given to the Argentine.

10'

Thiago Motta is booked for a late challenge on Dani Alves.

6'

Gabriel Milito fires wide after a promising move by the Blaugrana.

5'

Messi serves Ibrahimovic but there's no way past Walter Samuel.

3'

Pedro takes on Maicon on the left, gets into the box and thrashes his shot wide of the far post.

2'

Keita connects with Xavi's cross but his header is way off target.

1'

Remuntada or revenge? Can Barcelona overturn a two-goal deficit, or can Inter make amends for last November's defeat at the Camp Nou by defending last week's 3-1 victory to qualify for the 2009/10 Champions League final? We'll have the answer after 90 (or 120) minutes of play in Catalonia.

1'

If the build-up is anything to go by we can expect an explosive atmosphere in the Camp Nou cauldron. Of the 98,000 thousand fans in attendance 5,000 are Interisti, many of whom spent the day at a special Inter Fan Zone in Barcelona's Maremagnum area. Thousands more will be watching the match on a big screen in Milan's piazza del Duomo, and millions of others will be tuned in all over the globe.

1'

The winners of this semi-final tie will take on Bayern Munich at the Estadio Santiago Bernabeu on Saturday 22 May. The German giants booked their appearance in the Madrid final with a 4-0 aggregate victory over Lyon.

Diego and Gabriel Milito are the fourth set of brothers to play against each other in UEFA club competitions after Johannes and Atli Edvaldsson, Ronald and Erwin Koeman and John Arne and Bjorn Helge Riise.

1'

Updated team news: Goran Pandev suffered a muscle strain during the warm-up. He will be replaced by Cristian Chivu, with Marko Arnautovic going on the bench.